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dxva2: use optimized memcpy

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At least on my machine, reading back the frame with system memcpy is
slower than just using software rendering. Use the optimized gpu_memcpy
from LAV to speed things up.
This commit is contained in:
James Ross-Gowan
2014-10-26 10:43:15 +11:00
committed by wm4
parent f2d51171f7
commit 52b52800ce
3 changed files with 165 additions and 12 deletions
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DOCS/man/options.rst
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@@ -492,7 +492,7 @@ Video
:vaapi: requires ``--vo=opengl`` or ``--vo=vaapi`` (Linux with Intel GPUs only)
:vaapi-copy: copies video back into system RAM (Linux with Intel GPUs only)
:vda: requires ``--vo=opengl`` (OS X only)
:dxva2-copy: copies video back to system RAM (win32 only) (doesn't work)
:dxva2-copy: copies video back to system RAM (Windows only) (experimental)
``auto`` tries to automatically enable hardware decoding using the first
available method. This still depends what VO you are using. For example,